CN106923494A - A kind of synchronous push rod and the desk using the synchronous push rod - Google Patents
A kind of synchronous push rod and the desk using the synchronous push rod Download PDFInfo
- Publication number
- CN106923494A CN106923494A CN201710304645.8A CN201710304645A CN106923494A CN 106923494 A CN106923494 A CN 106923494A CN 201710304645 A CN201710304645 A CN 201710304645A CN 106923494 A CN106923494 A CN 106923494A
- Authority
- CN
- China
- Prior art keywords
- push rod
- screw rod
- telescopic screw
- synchronous push
- synchronization steering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
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- Transmission Devices (AREA)
Abstract
The invention provides a kind of synchronous push rod,Including transmission component,First telescopic screw rod,Second telescopic screw rod,First screw,Second screw,First telescopic screw rod is arranged on the second telescopic screw rod top,First telescopic screw rod passes through the first screw and its tooth is mutually twisted,Second telescopic screw rod passes through the second screw and its tooth is mutually twisted,First telescopic screw rod top is fixedly connected with transmission component,First telescopic screw rod is opposite tooth with the second telescopic screw rod,The bottom of the first telescopic screw rod is fixedly installed the first synchronization steering sliding block,The second synchronization steering sliding block is fixedly installed at the top of second telescopic screw rod,Synchronization steering conduit is provided between first screw and the second screw,Internal spline is provided with synchronization steering conduit,First synchronization steering sliding block,Second synchronization steering sliding block is provided with external splines,Internal spline and external splines are mutually twisted.A kind of desk using the synchronous push rod is also provided, its simple structure is easy to promote.
Description
Technical field
The present invention relates to lifting technology field, more particularly to a kind of synchronous push rod and the desk using the synchronous push rod.
Background technology
Desk, chair, sick bed in family, medical place etc. etc., often need to realize the lifting of desk, chair, sick bed etc.,
Meet different demands.Telescoping tube or expansion link used in general electric elevatable table are mostly three section lifting structures, it
Concrete structure is usually, including inner tube, the tube and the outer tube, in the rear end insertion of inner tube in pipe, in the rear end insertion outer tube of middle pipe,
Then the motor for being set above outer tube drives screw rod to rotate, and screw rod is provided with nut, and nut is fixedly connected with inner tube, inner tube without
Method is rotated relative to middle pipe, therefore nut cannot follow screw rod to rotate, and along the axial movement of screw rod, so as to drive inner tube to stretch
Contracting, such as during telescopic tube, inner tube and middle pipe simultaneous retractable, after inner tube and middle pipe also stretch out nominal length, motor stops work
Make, when telescoping tube shrinks, electric motor driven screw is axially moved nut-screw, drive inner tube and middle pipe to retract, when inner tube is with
Pipe is retracted into the setting position of outer tube, and motor is stopped.
The content of the invention
It is an object of the present invention in view of the shortcomings of the prior art, there is provided a kind of height-adjustable synchronous push rod.
The technical scheme that is used to achieve the above object of the present invention for:
A kind of synchronous push rod, including transmission component, also including the first telescopic screw rod, the second telescopic screw rod, the first screw, second
Mother, the first telescopic screw rod is arranged on the second telescopic screw rod top, and the first telescopic screw rod is through the first screw and both silk teeth are mutual
Occlusion, the second telescopic screw rod passes through the second screw and both silk teeth are mutually twisted, and the first telescopic screw rod is mutual with the second telescopic screw rod
It is opposite tooth, the first telescopic screw rod top is fixedly connected with transmission component, and the bottom of the first telescopic screw rod is fixedly installed first
Synchronization steering sliding block, is fixedly installed the second synchronization steering sliding block, the first screw and the second screw at the top of the second telescopic screw rod
Between be provided with synchronization steering conduit, be provided with internal spline in synchronization steering conduit, it is the first synchronization steering sliding block appearance, second same
Step guide runner appearance is provided with external splines, and internal spline and external splines are mutually twisted, and the first synchronization steering sliding block, second are synchronously
Guide runner can do axially reciprocating in synchronization steering conduit in spline mode.
Preferably, fixation kit and second also is installed including first and fixation kit is installed, first installs fixation kit is set
At the top of synchronous push rod, the second installation fixation kit is arranged on synchronous push rod bottom.
Preferably, the first screw is connected by second bearing with synchronization steering tube at one end, and the second screw passes through the 3rd axle
Hold and be connected with the synchronization steering conduit other end.
Preferably, the synchronous push rod middle part is also arranged with load-bearing outer tube.
A kind of desk using described synchronous push rod is also provided, the desk includes the top peace of table leg, table top
Dress portion, table leg includes bottom support, the outer tube being vertically and fixedly arranged in the support of bottom, the middle pipe being set in outer tube, is arranged
Inner tube in middle pipe, middle pipe can be moved back and forth in outer inner telescoping tube, and inner tube can be moved back and forth in middle inner telescoping tube, the synchronization
Push rod is arranged in inner tube, and the synchronous push rod upper end is fixedly connected on top installation portion, the synchronous push rod with inner tube upper end
Bottom is fixedly connected with outer pipe bottom, and synchronous push rod middle part is arranged with load-bearing outer tube, and load-bearing outer pipe bottom is fixed with middle bottom of the tube
Connection.
The solution have the advantages that, by setting two screw mandrels of opposite tooth each other, make screw mandrel when needing to heighten, incite somebody to action
Two screw mandrels stretch out simultaneously, and collective effect heightens object, it is necessary to when reducing table height, two screw mandrels be retracted simultaneously, altogether
Same-action turns down object.Its simple structure, is easy to promote.
The invention is specifically described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of synchronization push rod preferred embodiment of the invention.
Fig. 2 is the leg structure of collapsible schematic diagram of present pre-ferred embodiments.
Fig. 3 is the structural representation of the preferred embodiment of desk of the invention.
Wherein corresponding relation is, inner tube 10, synchronous push rod 20, transmission component 201, and first installs fixation kit 202, second
Fixation kit 203, the first telescopic screw rod 204, the second telescopic screw rod 205, the first screw 206, the second screw 207, load-bearing are installed
Outer tube 208, synchronization steering conduit 209, the first synchronization steering sliding block 210, the second synchronization steering sliding block 211, clutch shaft bearing 212,
Second bearing 213,3rd bearing 214, fourth bearing 215, middle pipe 30, outer tube 40, bottom support 50, top installation portion 60.
Specific embodiment
Referring to accompanying drawing 1-3, there is provided a kind of desk that height is adjusted using synchronous push rod, including table leg, table leg include bottom
Support 50, the outer tube 40 being vertically set in bottom support 50, are set in the middle pipe 30 in outer tube 40, are set in middle pipe 30
Inner tube 10, middle pipe 30 can stretch reciprocating motion in outer tube 40, and inner tube 10 can stretch reciprocating motion, table top in middle pipe 30
Top installation portion 60 is provided with, inner tube 10 is fixedly connected with top installation portion 60.Synchronous push rod 20 is arranged in inner tube 10, synchronous
The upper end of push rod 20 is fixedly connected with the upper end of inner tube 10, and the middle part of synchronous push rod 20 is arranged with load-bearing outer tube 208, the bottom of load-bearing outer tube 208
Portion is fixedly connected with the bottom of middle pipe 30, and the bottom of synchronous push rod 20 is fixedly connected with the bottom of outer tube 40 and bottom support 50.With same
The lifting of push rod 20 is walked, drives inner tube 10 and middle pipe 30 to lift simultaneously, so as to realize the regulation of table height.
Synchronous push rod 20 includes transmission component 201, and first installs fixation kit 202, and second installs fixation kit 203, passes
Dynamic component 201 can take manual transmission to drive, and can also take motorized motions mode to drive.First installation fixation kit 202 sets
Put at the top of synchronous push rod 20, one end is fixedly mounted on synchronous push rod 20, the other end is fixed with table top installation portion 60 and connected
Connect;Second installation fixation kit 203 is arranged on the bottom of synchronous push rod 20, one end is fixedly connected with synchronous push rod 20, the other end and
Outer tube 40 and bottom support 50 are fixedly connected, and the bottom of synchronous push rod 20 is fixedly connected with outer tube 40 and bottom support 50.
Synchronous push rod 20 has the first telescopic screw rod 204, the second telescopic screw rod 205, the first screw 206, the second screw
207, the first telescopic screw rod 204 is arranged on the top of the second telescopic screw rod 205, the first telescopic screw rod 204 through the first screw 206 and
Both silk teeth are mutually twisted so that the motion in the first screw 206 of the first telescopic screw rod 204;Second telescopic screw rod 205 is through the
Two screws 207 and both silk teeth are mutually twisted so that the motion in the second screw 207 of the second telescopic screw rod 205.
The top of first telescopic screw rod 204 is fixedly connected with transmission component 201 and obtains rotary driving force from transmission component 201
Realize the rotation and lifting in the first screw 206.First telescopic screw rod 204 and the second telescopic screw rod 205 opposite tooth each other, i.e., when
When one telescopic screw rod 204 is positive tooth, the second telescopic screw rod 205 is reverse tooth;When the first telescopic screw rod 204 is reverse tooth,
Second telescopic screw rod 205 is positive tooth.
The bottom of the first telescopic screw rod 204 is fixedly installed the first synchronization steering sliding block 210, the second telescopic screw rod 205
Top is fixedly installed the second synchronization steering sliding block 211, and fixation kit 203 is installed in the bottom of the second telescopic screw rod 205 with second
It is fixedly connected.It is provided with synchronization steering conduit 209 between first screw 206 and the second screw 207, the first screw 206 is by the
Two bearings 213 are connected with the one end of synchronization steering conduit 209, and the second screw 207 is by 3rd bearing 214 and synchronization steering conduit
209 other ends are connected, and internal spline is provided with synchronization steering conduit 209, and the appearance of the first synchronization steering sliding block 210, second are synchronously
The appearance of guide runner 211 is provided with external splines, and internal spline and external splines are mutually twisted, and makes the first synchronization steering sliding block 210,
Two synchronization steering sliding blocks 211 can do axially lifting and move back and forth in synchronization steering conduit 209 with spline motion mode.
The operation principle of the height-adjustable synchronous push rod of the embodiment of the present invention is:When needing desk to rise, transmission group
The output driving power of part 201 obtains the first telescopic screw rod 204 to rise rotation driving power, and initially axially ascending motion drives the
One synchronous guide runner 210 does axial ascending motion in synchronization steering conduit 209 with spline, synchronization steering conduit 209 also with
Rotated with the first synchronization steering sliding block 210, drive the second synchronization steering sliding block 211 to be axially moved with spline, due to
Second telescopic screw rod 205 and the first telescopic screw rod 204 opposite tooth each other, so that the second telescopic screw rod 205 obtains driving downwards
Power, now, the first synchronization steering sliding block 210, the second synchronization steering sliding block 211 are gradually distance from, the first telescopic screw rod 204, second
Telescopic screw rod 205 stretches out to two ends simultaneously, and collective effect drives the lifting of table height.
When needing desk and reducing, the output driving power of transmission component 201 makes the first telescopic screw rod 204 obtain the rotation for declining to drive
Dynamic power, the first telescopic screw rod 204 is obtained and declines rotation driving power, and initially axially descending motion drives the first synchronization steering
Sliding block 210 does descending motion in synchronization steering conduit 209 with spline, and synchronization steering conduit 209 also follows the first synchronization steering to slide
Block 210 rotates, and drives the second synchronization steering sliding block 211 to do rotation retraction movement with spline, due to the second telescopic screw rod
205 with the first telescopic screw rod 204 opposite tooth each other so that the second telescopic screw rod 205 is obtained drives up power, now, first
Synchronization steering sliding block 210, the second synchronization steering sliding block 211 are moved closer to, and the first telescopic screw rod 204, the second telescopic screw rod 205 are same
When from two ends retract, collective effect drive table height decline.
Certainly, this invention can also have other to convert, it is not limited to which above-mentioned implementation method, those skilled in the art are had
Standby knowledge, can also various changes can be made without departing from the inventive concept of the premise, such change all should fall in this hair
In bright protection domain.
Claims (5)
1. a kind of synchronous push rod, including transmission component, it is characterised in that also including the first telescopic screw rod, the second telescopic screw rod,
One screw, the second screw, the first telescopic screw rod are arranged on the second telescopic screw rod top, the first telescopic screw rod through the first screw and
Both silk teeth are mutually twisted, and the second telescopic screw rod is mutually twisted through the second screw and both silk teeth, the first telescopic screw rod and the
Two telescopic screw rods opposite tooth each other, the first telescopic screw rod top is fixedly connected with transmission component, and the bottom of the first telescopic screw rod is solid
Surely the first synchronization steering sliding block is provided with, the second synchronization steering sliding block, first is fixedly installed at the top of the second telescopic screw rod
Synchronization steering conduit is provided between female and the second screw, internal spline is provided with synchronization steering conduit, the first synchronization steering is slided
Block appearance, the second synchronization steering sliding block appearance are provided with external splines, and internal spline and external splines are mutually twisted, the first synchronization steering
Sliding block, the second synchronization steering sliding block can do axially reciprocating in synchronization steering conduit in spline mode.
2. synchronous push rod according to claim 1, it is characterised in that also install fixation kit and second including first and install
Fixation kit, the first installation fixation kit is arranged on synchronous push rod top, and the second installation fixation kit is arranged on synchronous push rod bottom
Portion.
3. synchronous push rod according to claim 1, it is characterised in that the first screw is led by second bearing with synchronization steering
Pipe one end is connected, and the second screw is connected by 3rd bearing with the synchronization steering conduit other end.
4. synchronous push rod according to claim 1, it is characterised in that the synchronous push rod middle part is also arranged with outside load-bearing
Pipe.
5. a kind of desk of synchronous push rod using as described in any claims of claim 1-4, it is characterised in that the table
Attached bag includes the top installation portion of table leg, table top, table leg include bottom support, be vertically and fixedly arranged at it is outer in the support of bottom
The middle pipe managed, be set in outer tube, is set in the inner tube in middle pipe, and middle pipe can be moved back and forth in outer inner telescoping tube, and inner tube can be
Middle inner telescoping tube is moved back and forth, and the synchronous push rod is arranged in inner tube, and the synchronous push rod upper end is fixed with inner tube upper end and connected
Top installation portion is connected on, the synchronous push rod bottom is fixedly connected with outer pipe bottom, synchronous push rod middle part is arranged with load-bearing outer tube,
Load-bearing outer pipe bottom is fixedly connected with middle bottom of the tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710304645.8A CN106923494A (en) | 2017-05-03 | 2017-05-03 | A kind of synchronous push rod and the desk using the synchronous push rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710304645.8A CN106923494A (en) | 2017-05-03 | 2017-05-03 | A kind of synchronous push rod and the desk using the synchronous push rod |
Publications (1)
Publication Number | Publication Date |
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CN106923494A true CN106923494A (en) | 2017-07-07 |
Family
ID=59429730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710304645.8A Pending CN106923494A (en) | 2017-05-03 | 2017-05-03 | A kind of synchronous push rod and the desk using the synchronous push rod |
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CN (1) | CN106923494A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107212577A (en) * | 2017-08-03 | 2017-09-29 | 祝苗苗 | A kind of synchronization lifting push rod device and its desk |
CN107343713A (en) * | 2017-07-31 | 2017-11-14 | 合肥隆延科技有限公司 | A kind of intelligent shoe cabinet of adjustable space |
CN110145579A (en) * | 2019-05-09 | 2019-08-20 | 深圳市瑞飞科技有限公司 | A kind of multi-deck extension bar |
CN110772031A (en) * | 2019-12-11 | 2020-02-11 | 吉林文德孚科技有限公司 | Height-adjustable table |
WO2021184838A1 (en) * | 2020-03-19 | 2021-09-23 | 常州市凯迪电器股份有限公司 | Smart lifting column transmission system assembly |
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CN104254264A (en) * | 2012-04-23 | 2014-12-31 | 利纳克有限公司 | Lifting column |
CN104305731A (en) * | 2014-10-11 | 2015-01-28 | 浙江水利水电学院 | Multifunctional desk |
CN104454839A (en) * | 2014-11-19 | 2015-03-25 | 浙江捷昌线性驱动科技股份有限公司 | Extension tube linkage device |
CN104595307A (en) * | 2014-11-19 | 2015-05-06 | 浙江捷昌线性驱动科技股份有限公司 | Electric telescopic pipe |
CN105217539A (en) * | 2015-10-15 | 2016-01-06 | 成都毅诚机电工程有限公司 | A kind of air conditioner mounting bracket |
CN205493006U (en) * | 2016-03-02 | 2016-08-24 | 成都梓楠家具有限公司 | Tea table device with adjustable go up and down |
CN106333487A (en) * | 2016-11-21 | 2017-01-18 | 常州天安尼康达电器有限公司 | Synchronous lifting screw rod assembly of lifting table |
CN207561552U (en) * | 2017-05-03 | 2018-07-03 | 郑祥云 | A kind of synchronous push rod and the desk using the synchronization push rod |
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2017
- 2017-05-03 CN CN201710304645.8A patent/CN106923494A/en active Pending
Patent Citations (9)
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CN104254264A (en) * | 2012-04-23 | 2014-12-31 | 利纳克有限公司 | Lifting column |
CN103693585A (en) * | 2013-12-04 | 2014-04-02 | 镇江新区汇达机电科技有限公司 | Correction mechanism for displacement errors caused by synchronized lifting of sets of screw rods |
CN104305731A (en) * | 2014-10-11 | 2015-01-28 | 浙江水利水电学院 | Multifunctional desk |
CN104454839A (en) * | 2014-11-19 | 2015-03-25 | 浙江捷昌线性驱动科技股份有限公司 | Extension tube linkage device |
CN104595307A (en) * | 2014-11-19 | 2015-05-06 | 浙江捷昌线性驱动科技股份有限公司 | Electric telescopic pipe |
CN105217539A (en) * | 2015-10-15 | 2016-01-06 | 成都毅诚机电工程有限公司 | A kind of air conditioner mounting bracket |
CN205493006U (en) * | 2016-03-02 | 2016-08-24 | 成都梓楠家具有限公司 | Tea table device with adjustable go up and down |
CN106333487A (en) * | 2016-11-21 | 2017-01-18 | 常州天安尼康达电器有限公司 | Synchronous lifting screw rod assembly of lifting table |
CN207561552U (en) * | 2017-05-03 | 2018-07-03 | 郑祥云 | A kind of synchronous push rod and the desk using the synchronization push rod |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107343713A (en) * | 2017-07-31 | 2017-11-14 | 合肥隆延科技有限公司 | A kind of intelligent shoe cabinet of adjustable space |
CN107212577A (en) * | 2017-08-03 | 2017-09-29 | 祝苗苗 | A kind of synchronization lifting push rod device and its desk |
CN110145579A (en) * | 2019-05-09 | 2019-08-20 | 深圳市瑞飞科技有限公司 | A kind of multi-deck extension bar |
CN110772031A (en) * | 2019-12-11 | 2020-02-11 | 吉林文德孚科技有限公司 | Height-adjustable table |
WO2021184838A1 (en) * | 2020-03-19 | 2021-09-23 | 常州市凯迪电器股份有限公司 | Smart lifting column transmission system assembly |
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